Chefs are saying it's the Come Dine With Me effect.
The TV show has spawned a new breed of amateurs striving to beat the professionals at their own game - and dish up restaurant-quality food at their dinner parties.
Dining in is fast becoming the new dining out - and cookery courses are booming.
Sheffield's 60 million City College is hot on the trend and is opening its sleek new training kitchens for a batch of top-notch lessons.
It's a chance to learn the secrets of the professionals in a kitchen packed with the very latest high-tech gizmos, says John Janiszewski, head of Hospitality and Catering.
Award-winning lecturers Mick Burke, Len Unwin and Neil Taylor, all Masterchefs of Great Britain, will be leading.
Says John: "Experience is not necessary: classes will be fun and an opportunity for foodies to try something that they've always been a bit nervous about."
One and two-day classes, from 195, include the Come Dine With Me day, when "pupils" will cook a gourmet four-course meal to take home, plus a cooking without fat course, a day of baking speciality breads and cakes, working with chocolate and a fish day.
Classes start in February but enrolling has already started - and a ten-week Gourmet Menus course at 950 is going fast.
"You'll learn how to make everything from dinner party canapes to the petit fours and the final session will see amateurs take over the kitchen to cook dinner for their friends. Lecturers will be keeping them on track and there could be a Hell's Kitchen atmosphere," John jovially warns. "They take no prisoners, I'm afraid."
Go to www.sheffcol.ac.uk or call 0114 2602600 for details.
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